Home / 1,217,312,535,031.80-1,679,924,103,740.50-716,206,903,382.19

Finding the Fourth Proportional to 1,217,312,535,031.80, 1,679,924,103,740.50 and 716,206,903,382.19

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Solution

The fourth proportional to 1,217,312,535,031.80, 1,679,924,103,740.50 and 716,206,903,382.19 is: 988,384,827,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,312,535,031.80 : 1,679,924,103,740.50 = 716,206,903,382.19 : x
  2. Step 2: Convert to fraction form
    1,217,312,535,031.80/1,679,924,103,740.50 = 716,206,903,382.19/x
  3. Step 3: Cross multiply
    1,217,312,535,031.80x = 1,679,924,103,740.50 × 716,206,903,382.19
  4. Step 4: Simplify right side
    1,217,312,535,031.80x = 1,203,173,240,257,084,351,578,112
  5. Step 5: Solve for x
    x = 1,203,173,240,257,084,351,578,112/1,217,312,535,031.80
  6. Step 6: Final answer
    x = 988,384,827,751.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.